Cheap flights from Incheon International to San Francisco International

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Compare Incheon International to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Incheon International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Incheon International to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to San Francisco International flights are currently cheapest in March.

Direct flights from Incheon International to San Francisco International

Incheon International to San Francisco International: Alternative routes

Compare routes from Incheon International to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Seoul to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$352
Cheapest month to flyApril
Average flight time10 hrs, 37 mins
Most popular airlineAsiana Airlines
Average flights per week68

Finding cheap flights from Incheon International to San Francisco International: Frequently asked questions

The best price we found for a return flight from Incheon International to San Francisco International is $562. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 37 minutes is the average flight time from Incheon International to San Francisco International.
Asiana Airlines, United and Thai Airways fly direct from Incheon International to San Francisco International.
As of March 2025, there are 68 flights per week flying from Incheon International to San Francisco International.
The cheapest month to fly from Incheon International to San Francisco International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to San Francisco International Airport on Monday, 24 March 2025.
Yes – the average flight time is 10 hours and 37 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Premia offers the cheapest flight tickets to San Francisco International.

Travelling from Incheon International Airport (ICN) to San Francisco International Airport (SFO): what you need to know

  • 10 hours 42 minutes is the average time for a direct flight from Incheon International Airport to San Francisco International Airport. San Francisco is 16 hours behind Seoul and operates on the UTC-7 timezone.

  • Each week, there are 45 flights from Incheon International Airport to San Francisco International Airport. To take off as soon as possible, pick the 10:30 United Airlines flight. If you're keen to make the most of your time before you fly, the last flight from ICN to SFO is 23:55 with United Airlines.

  • Hopping on a plane during a peak time like July? Popular seasons (like spring break, summer and Thanksgiving) can easily add another hour at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • One easy journey from ICN to SFO is all it takes to get to San Francisco, United States. There is a range of airlines that operate direct flights from Incheon International Airport to San Francisco International Airport, including:

  • We make it a breeze to book a flight with a stopover. To see the options for flights from Incheon International Airport to San Francisco International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Some popular stopovers between ICN and SFO include:

    • Kansai International Airport

    • Narita International Airport

    • Hong Kong International Airport

  • To see if you need a visa to enter United States, check with your airline and the local consulate or embassy. They'll provide you with the most up-to-date information, including additional documents you may need after booking your cheap ticket from ICN to SFO.

How to find the cheapest flights from Incheon International Airport (ICN) to San Francisco International Airport (SFO)

  • The lowest price we've found for a one-way ticket from Incheon International Airport to San Francisco International Airport is $352. For a return flight on this route, the best price is $562. Depending on the availability when you book, these fares may change.

  • Book 8 months before travelling. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from ICN to SFO.

  • April is the cheapest month for tickets from Incheon International Airport to San Francisco International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Create a Price Alert for cheap tickets from ICN to SFO. There's no need to search every day to see if airfares have fallen. We'll notify you the moment there's a change in price.

  • Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Incheon International Airport to San Francisco International Airport.

Handy information about Incheon International Airport (ICN)

  • To find the fastest way to travel from central Seoul to Incheon International Airport, use navigation apps like Google Maps. This airport is about 48 kilometres from the city centre.

  • Want an easy start to your break? Stay near ICN. Whether you're on an early flight from Incheon International Airport to San Francisco International Airport or just don't want to be rushed, these stays are perfect:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to reach the centre driving.

  • If you're travelling on public transport, expect a journey of about 47 minutes.

When to fly to San Francisco International Airport (SFO)

  • The quietest month for a flight from Incheon International Airport to San Francisco International Airport is February, while August is the busiest. Choose the best time to visit San Francisco based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Incheon International Airport to San Francisco International Airport for September if you want to go to San Francisco during its warmest month. You can expect temperatures of between 12ºC and 22ºC.

  • Look for cheap tickets from ICN to SFO in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 6ºC and 16ºC on average.

More about San Francisco

  • Start your San Francisco trip right by finding an amazing stay. After booking your flight from ICN to SFO, explore our selection of hotel options including:

  • Every great journey has to include a little sightseeing. Golden Gate Bridge, Alcatraz Island and Lombard Street are among the things you can't miss in San Francisco.

Complete your San Francisco trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to San Francisco International Airport, browse our car rental offers that'll give you the flexibility and freedom to see the sights at your own pace. Next, have a look at our exclusive rates for hotels to find your ideal San Francisco stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.